Microchip Technology
Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
AT28HC256F-12SC
Xem chi tiết DataSheets

AT28HC256F-12SC

Product Overview

Category

AT28HC256F-12SC belongs to the category of high-speed, high-density Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

  • High-speed operation
  • High-density storage capacity
  • Electrically erasable and programmable
  • Non-volatile memory
  • Reliable and durable

Package

AT28HC256F-12SC is available in a small outline package (SOIC) format. This package provides ease of integration into circuit boards and ensures efficient space utilization.

Essence

The essence of AT28HC256F-12SC lies in its ability to store and retrieve data reliably and quickly, making it an essential component in modern electronic devices.

Packaging/Quantity

AT28HC256F-12SC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Storage Capacity: 256 kilobits (32 kilobytes)
  • Access Time: 120 nanoseconds
  • Organization: 32K x 8 bits
  • Interface: Serial Peripheral Interface (SPI)
  • Data Retention: 10 years
  • Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC256F-12SC chip has a total of 28 pins. The pin configuration is as follows:

  1. Chip Enable (CE)
  2. Output Enable (OE)
  3. Write Enable (WE)
  4. Address Inputs (A0-A14)
  5. Data Inputs/Outputs (DQ0-DQ7)
  6. Supply Voltage (VCC)
  7. Ground (GND)

Functional Features

  • High-speed data access and transfer
  • Low power consumption
  • Hardware and software write protection
  • Automatic page write and erase capability
  • Software-controlled chip erase function
  • Sector and block-level protection options

Advantages

  • Fast operation allows for efficient data processing
  • High-density storage capacity accommodates large amounts of data
  • Electrically erasable and programmable nature enables flexibility in data management
  • Reliable and durable, ensuring long-term data retention
  • Versatile interface compatibility enhances integration with various systems

Disadvantages

  • Limited storage capacity compared to other memory technologies
  • Higher cost per bit compared to traditional Read-Only Memory (ROM) chips
  • Limited endurance due to the finite number of write cycles

Working Principles

AT28HC256F-12SC utilizes a combination of electronic circuits and memory cells to store and retrieve data. The EEPROM technology employed allows for electrically erasing and programming data, providing non-volatile storage capabilities.

Detailed Application Field Plans

AT28HC256F-12SC finds applications in various fields, including but not limited to:

  1. Microcontroller-based systems
  2. Embedded systems
  3. Automotive electronics
  4. Industrial control systems
  5. Communication devices
  6. Consumer electronics

Detailed and Complete Alternative Models

  1. AT28C256-15PU
  2. AT28BV256-20TU
  3. AT28HC256E-90SU
  4. AT28HC256E-70JU
  5. AT28HC256E-70PU

These alternative models offer similar functionality and specifications to AT28HC256F-12SC, providing users with options based on their specific requirements.

In conclusion, AT28HC256F-12SC is a high-speed, high-density EEPROM chip that offers reliable and flexible data storage capabilities. Its versatile applications and compatibility make it an essential component in various electronic devices.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng AT28HC256F-12SC trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of AT28HC256F-12SC in technical solutions:

  1. Q: What is the AT28HC256F-12SC? A: The AT28HC256F-12SC is a high-speed, low-power CMOS 256K (32K x 8) EEPROM memory chip.

  2. Q: What are the key features of the AT28HC256F-12SC? A: The key features include a 120 ns access time, wide operating voltage range (2.7V to 5.5V), and a high endurance of 100,000 write cycles.

  3. Q: How can I interface the AT28HC256F-12SC with a microcontroller? A: The AT28HC256F-12SC uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.

  4. Q: Can I use the AT28HC256F-12SC in battery-powered applications? A: Yes, the AT28HC256F-12SC has a low power consumption design, making it suitable for battery-powered devices.

  5. Q: What is the maximum operating frequency of the AT28HC256F-12SC? A: The AT28HC256F-12SC can operate at frequencies up to 20 MHz, allowing for fast data transfer.

  6. Q: Does the AT28HC256F-12SC support multiple read and write operations simultaneously? A: No, the AT28HC256F-12SC is a single-access memory, meaning it can perform one read or write operation at a time.

  7. Q: Can I store program code in the AT28HC256F-12SC? A: Yes, the AT28HC256F-12SC can be used to store program code, making it suitable for applications that require non-volatile memory.

  8. Q: What is the data retention period of the AT28HC256F-12SC? A: The AT28HC256F-12SC has a minimum data retention period of 10 years, ensuring long-term reliability.

  9. Q: Can I erase and reprogram the AT28HC256F-12SC multiple times? A: No, the AT28HC256F-12SC is an EEPROM memory, which means it can be electrically erased and reprogrammed but has a limited number of write cycles (100,000).

  10. Q: Are there any specific precautions I should take when handling the AT28HC256F-12SC? A: It is recommended to follow proper ESD (Electrostatic Discharge) precautions while handling the AT28HC256F-12SC to prevent damage to the chip.